National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

72°F

22°C

Humidity 73%
Wind Speed NE 5 mph
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 8 Oct 11:56 pm CDT
Extended Forecast for

Lockhart TX

  • Overnight

    Overnight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Northeast wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 66. Calm wind becoming south around 5 mph.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 91. Northeast wind 5 to 10 mph.
Friday Night
Clear, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 66. Calm wind becoming south around 5 mph.
Sunday
Sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 70. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Columbus Day
Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 95. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
11:32 pm CDT Oct 8, 2026
Forecast Valid:
12am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation